| Sintra to Murray (Kentucky) | 4,173.86 mi (6,717.18 km) |
| Sintra to Murray (Utah) | 5,094.05 mi (8,198.07 km) |
| Sintra to Murraysville (North Carolina) | 3,722.71 mi (5,991.13 km) |
| Sintra to Murrieta (California) | 5,630.48 mi (9,061.38 km) |
| Sintra to Murrysville (Pennsylvania) | 3,637.48 mi (5,853.96 km) |
| Sintra to Muscatine (Iowa) | 4,149.70 mi (6,678.29 km) |
| Sintra to Muscle Shoals (Alabama) | 4,202.27 mi (6,762.90 km) |
| Sintra to Muscoy (California) | 5,610.58 mi (9,029.36 km) |
| Sintra to Muskego (Wisconsin) | 3,969.97 mi (6,389.05 km) |
| Sintra to Muskegon (Michigan) | 3,874.10 mi (6,234.76 km) |
| Sintra to Muskogee (Oklahoma) | 4,543.84 mi (7,312.60 km) |
| Sintra to Mustang (Oklahoma) | 4,669.53 mi (7,514.88 km) |
| Sintra to Myers Corner (New York) | 3,328.16 mi (5,356.15 km) |
| Sintra to Myrtle Beach (South Carolina) | 3,794.06 mi (6,105.96 km) |
| Sintra to Myrtle Grove (Florida) | 4,335.30 mi (6,976.98 km) |
